#!/usr/bin/env python3
"""Use the native registry from Python, preserving its attribution and provenance."""

import argparse
import json
import subprocess


def lookup(binary, generation, pin, query):
    """The native reader authenticates the generation using the caller's trusted pin."""
    result = subprocess.run(
        [binary, "lookup", "--generation", generation, "--pin", pin,
         "--query", query, "--limit", "100"],
        check=True, capture_output=True, text=True, timeout=60,
    )
    return json.loads(result.stdout)


if __name__ == "__main__":
    parser = argparse.ArgumentParser(description=__doc__)
    parser.add_argument("--binary", default="argand-site-registry")
    parser.add_argument("--generation", required=True)
    parser.add_argument("--pin", required=True)
    parser.add_argument("--query", required=True)
    args = parser.parse_args()
    print(json.dumps(lookup(args.binary, args.generation, args.pin, args.query),
                     ensure_ascii=False, sort_keys=True))